Grout pump



FIG. 1 is a perspective view of the grout pump design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is an end elevational view taken from the left end of FIG. 2; and,

FIG. 7 is an end elevational view taken from the right end of FIG. 2. 

I claim the ornamental design for a grout pump, or similar article substantially as shown. 